On 02/20/2010 03:28 PM, rcx11 at yahoo.com wrote: > $ mpicc -show > bash: mpicc: command not found You might need to yum install the correct package -- mpich2-devel instead of mpich2? Maybe Deji (the Fedora maintainer) can comment? -- Pavan -- Pavan Balaji http://www.mcs.anl.gov/~balaji